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活性氮:多多益善? 被引量:6

Reactive Nitrogen: Too Much of a Good Thing?
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摘要 尺度和范围 1790年,Jean Claude Chaptal将元素周期表中的第14个元素命名为"氮"[1].两个世纪后,氮在生物地球化学过程中的作用和其作为一种必需营养元素的重大功能得到了很好的理解.我们知道,人类(以及植物和动物)的生存离不开氮;大气中大量存在的氮气(N2)是植物和动物不能直接利用的一种化学形式;只有少数特殊的微生物能够将大气中的氮转化("固定")为植物、动物可以利用的活性氮(活性氮)[2];另一小群体的微生物能够将活性氮转化(反硝化)为氮气.
出处 《AMBIO-人类环境杂志》 2002年第2期60-62,共3页
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参考文献10

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  • 2.Nitrogen, the Confer-N-s[].Proc First International Nitrogen Conference.1998
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  • 10Cowling, E.B,Galloway, J.N.Challenges and opportunities facing animal agriculture[].J Animal SciSoci.2002

二级参考文献11

  • 1H.F.M. Aarts,B. Habekotté,H. van Keulen.Nitrogen (N) management in the ‘De Marke’ dairy farming system[J].Nutrient Cycling in Agroecosystems.2000(3)
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  • 10.Controlling Mineral Emissions in European Agriculture; Economics, Policies and the Environment[]..1997

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